Axcelis Technologies Inc
ACLS- Exchange
- Nasdaq
- Industry
- Special Industry Machinery, NEC
- SEC CIK
- 0001113232
No open-market purchases or sales by Axcelis Technologies Inc insiders were filed in the last 90 days; 442 institutions reported holding it in 13F filings for Q2 2026, worth $5.85B in total; Maverick Capital is the only superinvestor holding it.
13F holders, Q3 2025
Institutional positions in Axcelis Technologies Inc as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 362
- +37 vs. Q2 2025
- Shares held
- 30.4M
- −1.06M (−3.4%) vs. Q2 2025
- Total value
- $2.96B
- +$761.4M (+34.7%) vs. Q2 2025
- New holders
- 74
- 108 more added
- Sold out
- 37
- 120 more reduced
5 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ACLS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 442 | $5.85B |
| Q1 2026 | 380 | $3.03B |
| Q4 2025 | 373 | $2.52B |
| Q3 2025 | 362 | $2.96B |
| Q2 2025 | 330 | $2.20B |
| Q1 2025 | 307 | $1.54B |
| Q4 2024 | 325 | $2.16B |
| Q3 2024 | 369 | $3.17B |
| Q2 2024 | 393 | $4.35B |
| Q1 2024 | 385 | $3.37B |
| Q4 2023 | 421 | $3.81B |
| Q3 2023 | 421 | $4.85B |
| Q2 2023 | 406 | $5.41B |
| Q1 2023 | 379 | $3.86B |
| Q4 2022 | 327 | $2.31B |
| Q3 2022 | 287 | $1.72B |
| Q2 2022 | 277 | $1.52B |
| Q1 2022 | 290 | $2.05B |
| Q4 2021 | 254 | $2.05B |
| Q3 2021 | 205 | $1.37B |
| Q2 2021 | 189 | $1.17B |
| Q1 2021 | 193 | $1.20B |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Axcelis Technologies Inc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| AXA Investment Managers S.A. | 52,179 | $5.09M | 0.01% | +52,179 | New |
| QSM Asset Management Ltd | 53,166 | $5.17M | 3.69% | −7,250−12.0% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 54,221 | $5.29M | 0.00% | −300−0.6% | Reduced |
| First Trust Advisors LP | 55,243 | $5.39M | 0.00% | −14,791−21.1% | Reduced |
| Globeflex Capital L P | 55,997 | $5.47M | 0.84% | +12,485+28.7% | Added |
| Paradigm Capital Management Inc | 56,100 | $5.48M | 0.24% | −32,000−36.3% | Reduced |
| Segall Bryant & Hamill, LLC | 58,611 | $5.72M | 0.08% | +58,611 | New |
| Swiss National Bank | 62,300 | $6.08M | 0.00% | +800+1.3% | Added |
| UBS Asset Management Americas Inc | 66,098 | $6.45M | 0.00% | −45,292−40.7% | Reduced |
| Barclays PLC | 69,585 | $6.79M | 0.00% | −8,702−11.1% | Reduced |
| Alliancebernstein L.P. | 69,644 | $6.80M | 0.00% | −1,944−2.7% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 71,086 | $6.94M | 0.11% | +3,220+4.7% | Added |
| Creative Planning | 72,634 | $7.09M | 0.01% | +5,422+8.1% | Added |
| Wells Fargo & Company | 73,023 | $7.13M | 0.00% | +40,196+122.4% | Added |
| Nuveen, LLC | 73,282 | $7.16M | 0.00% | −927−1.2% | Reduced |
| Legal & General Group Plc | 83,016 | $8.11M | 0.00% | −5,580−6.3% | Reduced |
| Voloridge Investment Management, LLC | 95,227 | $9.30M | 0.03% | −216,611−69.5% | Reduced |
| Clark Capital Management Group, Inc. | 96,588 | $9.43M | 0.06% | +11,997+14.2% | Added |
| Rhumbline Advisers | 96,897 | $9.46M | 0.01% | +2,139+2.3% | Added |
| Allspring Global Investments Holdings, LLC | 109,628 | $10.4M | 0.02% | +102,040+1,344.8% | Added |
| Arrowstreet Capital, Limited Partnership | 117,797 | $11.5M | 0.01% | +117,797 | New |
| Ameriprise Financial Inc | 118,133 | $11.5M | 0.00% | −4,218−3.4% | Reduced |
| Public Sector Pension Investment Board | 122,564 | $12.0M | 0.04% | +12,989+11.9% | Added |
| UBS Group AG | 127,323 | $12.4M | 0.00% | −70,694−35.7% | Reduced |
| Squarepoint Ops LLC | 128,871 | $12.6M | 0.03% | +28,848+28.8% | Added |
| First Eagle Investment Management, LLC | 130,358 | $12.7M | 0.02% | +57,358+78.6% | Added |
| Royce & Associates LP | 144,708 | $14.1M | 0.14% | −120,330−45.4% | Reduced |
| D. E. Shaw & Co., Inc. | 154,338 | $15.1M | 0.01% | +76,085+97.2% | Added |
| Royal Bank of Canada | 168,865 | $16.5M | 0.00% | −41,707−19.8% | Reduced |
| Kennedy Capital Management, Inc. | 183,100 | $17.9M | 0.40% | +49,894+37.5% | Added |
| Principal Financial Group Inc | 185,268 | $18.1M | 0.01% | −20,409−9.9% | Reduced |
| BlackBarn Capital Partners LP | 200,000 | $19.5M | 6.37% | −160,000−44.4% | Reduced |
| JPMorgan Chase & Co | 217,394 | $21.2M | 0.00% | +39,527+22.2% | Added |
| Federated Hermes, Inc. | 217,802 | $21.3M | 0.04% | −3,362−1.5% | Reduced |
| Bank of New York Mellon Corp | 219,418 | $21.4M | 0.00% | −6,645−2.9% | Reduced |
| Janus Henderson Group PLC | 235,412 | $23.0M | 0.01% | +138,207+142.2% | Added |
| Millennium Management LLC | 261,776 | $25.6M | 0.02% | +154,381+143.8% | Added |
| BNP Paribas Arbitrage, SA | 283,926 | $27.7M | 0.02% | +91,738+47.7% | Added |
| LSV Asset Management | 314,900 | $30.7M | 0.07% | +314,900 | New |
| Citigroup Inc | 324,354 | $31.7M | 0.02% | −38,103−10.5% | Reduced |
| Invesco Ltd. | 386,735 | $37.8M | 0.01% | +246,939+176.6% | Added |
| Bank of America Corp | 410,314 | $40.1M | 0.00% | −293,124−41.7% | Reduced |
| Charles Schwab Investment Management Inc | 427,113 | $41.7M | 0.01% | +20,701+5.1% | Added |
| Northern Trust Corp | 434,988 | $42.5M | 0.01% | −6,670−1.5% | Reduced |
| Grantham, Mayo, Van Otterloo & Co. LLC | 443,863 | $43.3M | 0.12% | +1,798+0.4% | Added |
| Morgan Stanley | 454,087 | $44.3M | 0.00% | −96,074−17.5% | Reduced |
| Boston Partners | 468,741 | $44.9M | 0.05% | −5,302−1.1% | Reduced |
| Boston Trust Walden Corp | 460,287 | $44.9M | 0.33% | −385,624−45.6% | Reduced |
| Goldman Sachs Group Inc | 494,775 | $48.3M | 0.01% | −96,402−16.3% | Reduced |
| Price T Rowe Associates Inc | 532,108 | $52.0M | 0.01% | +2,965+0.6% | Added |
| FMR LLC | 551,398 | $53.8M | 0.00% | +168,825+44.1% | Added |
| Dimensional Fund Advisors LP | 769,612 | $75.1M | 0.02% | +34,153+4.6% | Added |
| Primecap Management Co | 833,676 | $81.4M | 0.06% | −18,620−2.2% | Reduced |
| Victory Capital Management Inc | 972,162 | $90.2M | 0.06% | +85,407+9.6% | Added |
| Geode Capital Management, LLC | 926,739 | $90.5M | 0.01% | +1,434+0.2% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 930,362 | $90.8M | 0.24% | +9,236+1.0% | Added |
| State Street Corp | 1,230,116 | $120.1M | 0.00% | −18,592−1.5% | Reduced |
| American Century Companies Inc | 1,345,761 | $131.4M | 0.07% | −313,702−18.9% | Reduced |
| Reinhart Partners, Inc. | 1,610,332 | $157.2M | 5.11% | +91,788+6.0% | Added |
| Vanguard Group Inc | 4,185,701 | $408.7M | 0.01% | −138,248−3.2% | Reduced |
| BlackRock, Inc. | 4,864,173 | $474.9M | 0.01% | −157,773−3.1% | Reduced |
| Colony Group, LLC | 4,206 | – | – | +4,206 | New |
| Trexquant Investment LP | 0 | $0 | 0.00% | −81,043−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −34,572−100.0% | Sold out |
| Optimize Financial Inc | 0 | $0 | 0.00% | −32,021−100.0% | Sold out |
| Rice Hall James & Associates, LLC | 0 | $0 | 0.00% | −31,728−100.0% | Sold out |
| Ruffer LLP | 0 | $0 | 0.00% | −24,731−100.0% | Sold out |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −18,089−100.0% | Sold out |
| Nebula Research & Development LLC | 0 | $0 | 0.00% | −16,839−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −12,268−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −10,899−100.0% | Sold out |
| Numerai GP LLC | 0 | $0 | 0.00% | −10,490−100.0% | Sold out |
| Axq Capital, LP | 0 | $0 | 0.00% | −6,914−100.0% | Sold out |
| Oppenheimer & Co Inc | 0 | $0 | 0.00% | −6,256−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −5,610−100.0% | Sold out |
| Headlands Technologies LLC | 0 | $0 | 0.00% | −5,550−100.0% | Sold out |
| Woodline Partners LP | 0 | $0 | 0.00% | −4,159−100.0% | Sold out |
| Exchange Traded Concepts, LLC | 0 | $0 | 0.00% | −3,666−100.0% | Sold out |
| Empirical Finance, LLC | 0 | $0 | 0.00% | −3,300−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −3,295−100.0% | Sold out |
| Profund Advisors LLC | 0 | $0 | 0.00% | −3,019−100.0% | Sold out |
| Hennessy Advisors Inc | 0 | $0 | 0.00% | −2,067−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −1,661−100.0% | Sold out |
| Glenmede Investment Management, LP | 0 | $0 | 0.00% | −947−100.0% | Sold out |
| Skopos Labs, Inc. | 0 | $0 | 0.00% | −785−100.0% | Sold out |
| Beacon Capital Management, LLC | 0 | $0 | 0.00% | −708−100.0% | Sold out |
| Caitong International Asset Management Co., Ltd | 0 | $0 | 0.00% | −122−100.0% | Sold out |
| Maseco LLP | 0 | $0 | 0.00% | −97−100.0% | Sold out |
| Golden State Wealth Management, LLC | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Barrow Hanley Mewhinney & Strauss LLC | 0 | $0 | 0.00% | −44−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −38−100.0% | Sold out |
| Cape Investment Advisory, Inc. | 0 | $0 | 0.00% | −35−100.0% | Sold out |
| Mark Sheptoff Financial Planning, LLC | 0 | $0 | 0.00% | −23−100.0% | Sold out |
| NewSquare Capital LLC | 0 | $0 | 0.00% | −15−100.0% | Sold out |
| Atticus Wealth Management, LLC | 0 | $0 | 0.00% | −14−100.0% | Sold out |
| Aventura Private Wealth, LLC | 0 | $0 | 0.00% | −13−100.0% | Sold out |
| Plante Moran Financial Advisors, LLC | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| Kestra Investment Management, LLC | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| Twin Peaks Wealth Advisors, LLC | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Norges Bank | – | – | – | – | Not filed |